??Birdy!!XP
New member
1. The angle of elevation from a boat to the top of a lighthouse is 35°. The lighthouse is 96 ft tall. How far from the base of the lighthouse is the boat? (1 point)
7 ft*
137 ft
167 ft
6 ft
2. Ming launched a model rocket from 20 m away. The rocket traveled straight up. Ming saw it peak at an angle of 70°. If she is 1.5 m tall, how high did the rocket fly? (1 point)
55 m
2 m
20 m*
57 m
3. An airplane is flying 2.5 mi above the ground. If the pilot must begin a 3° descent to an airport runway at that altitude, how far is the airplane from the beginning of the runway (in ground distance)? (1 point)
48 mi
47 mi
5 mi
8 mi*
I starred my answers. If I get something wrong, can you please help by explaining what I did wrong?
Thanks so much!
7 ft*
137 ft
167 ft
6 ft
2. Ming launched a model rocket from 20 m away. The rocket traveled straight up. Ming saw it peak at an angle of 70°. If she is 1.5 m tall, how high did the rocket fly? (1 point)
55 m
2 m
20 m*
57 m
3. An airplane is flying 2.5 mi above the ground. If the pilot must begin a 3° descent to an airport runway at that altitude, how far is the airplane from the beginning of the runway (in ground distance)? (1 point)
48 mi
47 mi
5 mi
8 mi*
I starred my answers. If I get something wrong, can you please help by explaining what I did wrong?
Thanks so much!